Material: high grade of gypsum, whiteness: >90 degree, breaking strength: 2.706MPa/2 hours, no impurity), with fiberglass, good quality fiber. Finish: Smooth surface, clear beautiful pattern, high temper. 1)It's fireproof, mildew and worm resistant, moisture proof, and sound and heat insulated. 2)Itcan be processed by sawing, digging, nailing, adhering and patching, and therefore it is easy and convenient in construction 3) Various shapes and sizes available. We can also produce upon your detailed requests. 6-10 pieces per bundle with water-proof package, filmy cushion between each pieces, and contractive plastic cover it ,also can according to your demand.